f 564 ] 
r 
Now, it is obvious, that this value of H mufl be 
equal to the value of H in the preceding article* 
when both feries converge. 
*3 v~ l . C A' 5 7 X~ 3 , 7 X 7 X~$ 
Therefore - — — 1 1 > 
i--3‘ 
bx'X 
bx 3 - 
-J .V 
4 1 4 
&V. is then s= x 2 Q^rr~ 2 
■ 4 * 1 “t" 2 ir 
Hence, by taking x equal to — i> we find 2 S 
b x -f- 2 -f 2 S 5. and, confequently, S = - • 
we find 
2 • 
And, by taking x equal to — 
2 v J L_ 4. _! J&c. = — 2 Q. 
-S + *—a=+i + *s = 
2 1 2 y ' — 1 
/- 
and, confequently, "I - ^* 7 - 
V — 
&c *. 
a 
~~ % 
4 
I/.. 
Seeing that Qjs =. and S = it follows, 
from the laft article, that 
H is =: Qj IT + 7 + i-3 7 ' 
4- A — r Ci, &c. 
3,52 5-71 x 
From whence, by multiplying by — , apd taking 
the correct fluent, we get 
fT 
H 
